Home / 7,764.16-10,714.21-4,227.38

Finding the Fourth Proportional to 7,764.16, 10,714.21 and 4,227.38

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Solution

The fourth proportional to 7,764.16, 10,714.21 and 4,227.38 is: 5,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.16 : 10,714.21 = 4,227.38 : x
  2. Step 2: Convert to fraction form
    7,764.16/10,714.21 = 4,227.38/x
  3. Step 3: Cross multiply
    7,764.16x = 10,714.21 × 4,227.38
  4. Step 4: Simplify right side
    7,764.16x = 45,293,037.07
  5. Step 5: Solve for x
    x = 45,293,037.07/7,764.16
  6. Step 6: Final answer
    x = 5,833.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.